Corrosion is an electro-chemical process by which a metal such as mild steel, returns to its natural state,state,such as iron oxide or rust. 句中a metal何意？书上解释说a metal是泛指一切金属或合金，我没有理解明白？metal是物质名词，通常不可数，a+物质名...
...m glad to hear from you. As for my winter vacation, I've been keeping
busy with various activities.我认为已给的开头句用现在完成进行时是不对的，认真审题，文中的“忙于各种活动”明显是发生在已过去的寒假之中，应属于明确的过去时间，所以应...
... you. 你放心，他会来接你的。Rumour has it that she has run away with her teacher. 谣传她也她的老师私奔了。Report has it that the Smiths are leaving for the south. 据传史密斯一家要离开去南方。谢谢老师的解答！带来鲜花10朵，谢谢老师！
...ious attempts, dating well back before the First World War, to link images with recorded sound.“just as had many previous attempts”是什么成分？比较状语从句吗？这句话had的主语是什么？
Coaches require far too much of players’ time to be truly concerned with anything other than performance in sports书上翻译是教练们要求运动员花大量的时间在运动方面的表现上远远多过于其他事情other than 不是除了的意思吗，句子不是应该理解成，教...
There were still forests closely surrounding Bangkok into the last half of the nineteenth century, and even at century's end there were wild elephants and tigers roaming the countryside only twenty or thirty miles away.请教一下各位老师，如何判断这句话中的“only twenty or thirty mi...
...s spring—the most commonly-accepted definition says this generation was born after 1995, give or take a year—the attention has been rising steadily in recent weeks.有些老师说graduating后少了一个from，所以该句语法错误。 后来我在FORBES又找到了一样的表达：Whil...
Designer children are no less autonomous with respect to their genetic traits that children born the natural way.老师好，这个句子that后面只有名词短语children born the natural way，这个that如何理解？（我怀疑是than）
1.I need your help with the settlers as a precaution.1)这句话里 with the settlers 是help的定语还是句子的状语？ 2)with的含义是什么？ 3)as a precaution是目的状语还是方式状语？2.I lost a lot of family in Iraq.这句话family指家人不是家庭，那为什...
...的产量。As we know all know that the traffic problems in our city is more and more serious.During the rush hours every morning and afternoon, the roads are very crowded. There are traffic jams almost on the main roads. The accident rate is higher than before. I think that it is high time for the...
原文第一段：The Hertz, Corporation, the U. S. Air Force, Hyatt Hotels Corporation, the City of Dallas, and the Neiman-Marcus Group, Inc. , have one thing in common — all have purchased the services of Feedback Plus. Feedback Plus is an agency that dispatches professional shoppers who pose as...